Click on the third or sixth rank to set the en passant target square.

EGTB: win in 6 half-moves

# move score
1 Rf4 win in 5 half-moves
2 Rg4 win in 5 half-moves
3 Rh4 win in 5 half-moves
4 Ra4 draw
5 Rd6 draw
6 Rd7 draw
7 Rd8 draw
8 Re4 draw
9 Kf1 loss in 2 half-moves
10 Kf2 loss in 2 half-moves
11 Kg3 loss in 2 half-moves
12 Kgg2 loss in 2 half-moves
13 Kgh1 loss in 2 half-moves
14 Kh3 loss in 2 half-moves
15 Khg2 loss in 2 half-moves
16 Khh1 loss in 2 half-moves
17 Rb4 loss in 2 half-moves
18 Rc4 loss in 2 half-moves
19 Rd1 loss in 2 half-moves
20 Rd2 loss in 2 half-moves
21 Rd3 loss in 2 half-moves
22 Rd5 loss in 2 half-moves